Update HeterogeneousCore/AlpakaInterface for alpaka 2.0 by fwyzard · Pull Request #49042 · cms-sw/cmssw

fwyzard · 2025-10-01T15:24:16Z

PR description:

Update HeterogeneousCore/AlpakaInterface for alpaka 2.0.

PR validation:

Code compiles with alpaka 2.0.

cmsbuild · 2025-10-01T15:24:39Z

cms-bot internal usage

cmsbuild · 2025-10-01T15:25:33Z

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-49042/46253

cmsbuild · 2025-10-01T15:25:51Z

A new Pull Request was created by @fwyzard for master.

It involves the following packages:

HeterogeneousCore/AlpakaInterface (heterogeneous)

@cmsbuild, @fwyzard, @makortel can you please review it and eventually sign? Thanks.
@makortel, @rovere this is something you requested to watch as well.
@ftenchini, @mandrenguyen, @sextonkennedy you are the release manager for this.

cms-bot commands are listed here

fwyzard · 2025-10-01T15:36:46Z

enable gpu

fwyzard · 2025-10-01T15:36:49Z

please test with cms-sw/cmsdist#10103

fwyzard · 2025-10-01T23:03:14Z

The machine with the NVIDIA T4 GPUs needed to have the drivers reloaded.

fwyzard · 2025-10-01T23:04:40Z

please test with cms-sw/cmsdist#10103

cmsbuild · 2025-10-03T05:14:45Z

-1

Failed Tests: UnitTests
Size: This PR adds an extra 32KB to repository
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-688423/48416/summary.html
COMMIT: 7d98d1e
CMSSW: CMSSW_16_0_X_2025-10-01-2300/el8_amd64_gcc13
Additional Tests: GPU,AMD_MI300X,AMD_W7900,NVIDIA_H100,NVIDIA_L40S,NVIDIA_T4
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmssw/49042/48416/install.sh to create a dev area with all the needed externals and cmssw changes.

Unit Tests

I found 2 errors in the following unit tests:

---> test alpakaTestOneHistoContainerSerialSync had ERRORS
---> test alpakaTestPrefixScanSerialSync had ERRORS

Comparison Summary

Summary:

You potentially added 16 lines to the logs
Reco comparison results: 7 differences found in the comparisons
DQMHistoTests: Total files compared: 51
DQMHistoTests: Total histograms compared: 3923676
DQMHistoTests: Total failures: 114
DQMHistoTests: Total nulls: 0
DQMHistoTests: Total successes: 3923542
DQMHistoTests: Total skipped: 20
DQMHistoTests: Total Missing objects: 0
DQMHistoSizes: Histogram memory added: 0.0 KiB( 50 files compared)
Checked 218 log files, 188 edm output root files, 51 DQM output files
TriggerResults: found differences in 1 / 49 workflows

AMD_MI300X Comparison Summary

Summary:

You potentially added 2 lines to the logs
Reco comparison results: 253 differences found in the comparisons
DQMHistoTests: Total files compared: 11
DQMHistoTests: Total histograms compared: 146284
DQMHistoTests: Total failures: 29677
DQMHistoTests: Total nulls: 6
DQMHistoTests: Total successes: 116601
DQMHistoTests: Total skipped: 0
DQMHistoTests: Total Missing objects: 0
DQMHistoSizes: Histogram memory added: 0.0 KiB( 10 files compared)
Checked 42 log files, 45 edm output root files, 11 DQM output files
TriggerResults: no differences found

AMD_W7900 Comparison Summary

Summary:

You potentially removed 1 lines from the logs
Reco comparison results: 219 differences found in the comparisons
DQMHistoTests: Total files compared: 11
DQMHistoTests: Total histograms compared: 146284
DQMHistoTests: Total failures: 27544
DQMHistoTests: Total nulls: 7
DQMHistoTests: Total successes: 118733
DQMHistoTests: Total skipped: 0
DQMHistoTests: Total Missing objects: 0
DQMHistoSizes: Histogram memory added: 0.0 KiB( 10 files compared)
Checked 42 log files, 45 edm output root files, 11 DQM output files
TriggerResults: no differences found

NVIDIA_H100 Comparison Summary

Summary:

You potentially removed 1 lines from the logs
Reco comparison results: 238 differences found in the comparisons
DQMHistoTests: Total files compared: 11
DQMHistoTests: Total histograms compared: 146284
DQMHistoTests: Total failures: 23921
DQMHistoTests: Total nulls: 7
DQMHistoTests: Total successes: 122356
DQMHistoTests: Total skipped: 0
DQMHistoTests: Total Missing objects: 0
DQMHistoSizes: Histogram memory added: 0.0 KiB( 10 files compared)
Checked 42 log files, 45 edm output root files, 11 DQM output files
TriggerResults: no differences found

NVIDIA_L40S Comparison Summary

Summary:

You potentially removed 3 lines from the logs
Reco comparison results: 233 differences found in the comparisons
DQMHistoTests: Total files compared: 11
DQMHistoTests: Total histograms compared: 146284
DQMHistoTests: Total failures: 24494
DQMHistoTests: Total nulls: 5
DQMHistoTests: Total successes: 121785
DQMHistoTests: Total skipped: 0
DQMHistoTests: Total Missing objects: 0
DQMHistoSizes: Histogram memory added: 0.0 KiB( 10 files compared)
Checked 42 log files, 45 edm output root files, 11 DQM output files
TriggerResults: no differences found

NVIDIA_T4 Comparison Summary

Summary:

No significant changes to the logs found
Reco comparison results: 229 differences found in the comparisons
DQMHistoTests: Total files compared: 11
DQMHistoTests: Total histograms compared: 146284
DQMHistoTests: Total failures: 30328
DQMHistoTests: Total nulls: 5
DQMHistoTests: Total successes: 115951
DQMHistoTests: Total skipped: 0
DQMHistoTests: Total Missing objects: 0
DQMHistoSizes: Histogram memory added: 0.0 KiB( 10 files compared)
Checked 42 log files, 45 edm output root files, 11 DQM output files
TriggerResults: no differences found

fwyzard · 2025-10-03T13:57:24Z

please test with cms-sw/cmsdist#10103

cmsbuild · 2025-10-04T02:00:28Z

+1

Size: This PR adds an extra 16KB to repository
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-688423/48445/summary.html
COMMIT: 7d98d1e
CMSSW: CMSSW_16_0_X_2025-10-03-1100/el8_amd64_gcc13
Additional Tests: GPU,AMD_MI300X,AMD_W7900,NVIDIA_H100,NVIDIA_L40S,NVIDIA_T4
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmssw/49042/48445/install.sh to create a dev area with all the needed externals and cmssw changes.

The following merge commits were also included on top of IB + this PR after doing git cms-merge-topic:

You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-688423/48445/git-recent-commits.json
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-688423/48445/git-merge-result

Comparison Summary

Summary:

You potentially added 214 lines to the logs
ROOTFileChecks: Some differences in event products or their sizes found
Reco comparison results: 69279 differences found in the comparisons
DQMHistoTests: Total files compared: 51
DQMHistoTests: Total histograms compared: 3921288
DQMHistoTests: Total failures: 601510
DQMHistoTests: Total nulls: 1392
DQMHistoTests: Total successes: 3318366
DQMHistoTests: Total skipped: 20
DQMHistoTests: Total Missing objects: 0
DQMHistoSizes: Histogram memory added: 20468.867 KiB( 50 files compared)
DQMHistoSizes: changed ( 29634.75,... ): 416.511 KiB HLT/JetMET
DQMHistoSizes: changed ( 10224.0,... ): 700.241 KiB JetMET/METValidation
DQMHistoSizes: changed ( 10224.0 ): 0.544 KiB SiStrip/MechanicalView
DQMHistoSizes: changed ( 13034.0 ): -0.981 KiB SiStrip/MechanicalView
DQMHistoSizes: changed ( 135.4,... ): 510.699 KiB JetMET/METValidation
DQMHistoSizes: changed ( 16834.0,... ): 425.300 KiB HLT/JetMET
DQMHistoSizes: changed ( 17034.0 ): -0.353 KiB SiStrip/MechanicalView
DQMHistoSizes: changed ( 25.0,... ): 697.903 KiB JetMET/METValidation
DQMHistoSizes: changed ( 250202.181 ): 0.127 KiB SiStrip/MechanicalView
DQMHistoSizes: changed ( 25202.0 ): -0.063 KiB SiStrip/MechanicalView
Checked 218 log files, 188 edm output root files, 51 DQM output files
TriggerResults: found differences in 14 / 49 workflows

AMD_MI300X Comparison Summary

Summary:

You potentially added 123 lines to the logs
ROOTFileChecks: Some differences in event products or their sizes found
Reco comparison results: 1021 differences found in the comparisons
DQMHistoTests: Total files compared: 11
DQMHistoTests: Total histograms compared: 146252
DQMHistoTests: Total failures: 100077
DQMHistoTests: Total nulls: 45
DQMHistoTests: Total successes: 46130
DQMHistoTests: Total skipped: 0
DQMHistoTests: Total Missing objects: 0
DQMHistoSizes: Histogram memory added: 416.511 KiB( 10 files compared)
DQMHistoSizes: changed ( 29834.751 ): 416.511 KiB HLT/JetMET
Checked 42 log files, 45 edm output root files, 11 DQM output files
TriggerResults: found differences in 10 / 10 workflows

AMD_W7900 Comparison Summary

Summary:

You potentially added 117 lines to the logs
ROOTFileChecks: Some differences in event products or their sizes found
Reco comparison results: 1021 differences found in the comparisons
DQMHistoTests: Total files compared: 11
DQMHistoTests: Total histograms compared: 146252
DQMHistoTests: Total failures: 100039
DQMHistoTests: Total nulls: 45
DQMHistoTests: Total successes: 46168
DQMHistoTests: Total skipped: 0
DQMHistoTests: Total Missing objects: 0
DQMHistoSizes: Histogram memory added: 416.511 KiB( 10 files compared)
DQMHistoSizes: changed ( 29834.751 ): 416.511 KiB HLT/JetMET
Checked 42 log files, 45 edm output root files, 11 DQM output files
TriggerResults: found differences in 10 / 10 workflows

NVIDIA_H100 Comparison Summary

Summary:

You potentially added 119 lines to the logs
ROOTFileChecks: Some differences in event products or their sizes found
Reco comparison results: 1021 differences found in the comparisons
DQMHistoTests: Total files compared: 11
DQMHistoTests: Total histograms compared: 146252
DQMHistoTests: Total failures: 100052
DQMHistoTests: Total nulls: 45
DQMHistoTests: Total successes: 46155
DQMHistoTests: Total skipped: 0
DQMHistoTests: Total Missing objects: 0
DQMHistoSizes: Histogram memory added: 416.511 KiB( 10 files compared)
DQMHistoSizes: changed ( 29834.751 ): 416.511 KiB HLT/JetMET
Checked 42 log files, 45 edm output root files, 11 DQM output files
TriggerResults: found differences in 10 / 10 workflows

NVIDIA_L40S Comparison Summary

Summary:

You potentially added 120 lines to the logs
ROOTFileChecks: Some differences in event products or their sizes found
Reco comparison results: 1021 differences found in the comparisons
DQMHistoTests: Total files compared: 11
DQMHistoTests: Total histograms compared: 146252
DQMHistoTests: Total failures: 100072
DQMHistoTests: Total nulls: 45
DQMHistoTests: Total successes: 46135
DQMHistoTests: Total skipped: 0
DQMHistoTests: Total Missing objects: 0
DQMHistoSizes: Histogram memory added: 416.511 KiB( 10 files compared)
DQMHistoSizes: changed ( 29834.751 ): 416.511 KiB HLT/JetMET
Checked 42 log files, 45 edm output root files, 11 DQM output files
TriggerResults: found differences in 10 / 10 workflows

NVIDIA_T4 Comparison Summary

Summary:

You potentially added 118 lines to the logs
ROOTFileChecks: Some differences in event products or their sizes found
Reco comparison results: 1021 differences found in the comparisons
DQMHistoTests: Total files compared: 11
DQMHistoTests: Total histograms compared: 146252
DQMHistoTests: Total failures: 100043
DQMHistoTests: Total nulls: 45
DQMHistoTests: Total successes: 46164
DQMHistoTests: Total skipped: 0
DQMHistoTests: Total Missing objects: 0
DQMHistoSizes: Histogram memory added: 416.511 KiB( 10 files compared)
DQMHistoSizes: changed ( 29834.751 ): 416.511 KiB HLT/JetMET
Checked 42 log files, 45 edm output root files, 11 DQM output files
TriggerResults: found differences in 10 / 10 workflows

fwyzard · 2025-10-28T08:06:41Z

+heterogeneous

needs to be merged at the same time as cms-sw/cmsdist#10103

cmsbuild · 2025-10-28T08:07:00Z

This pull request is fully signed and it will be integrated in one of the next master IBs (tests are also fine). This pull request will now be reviewed by the release team before it's merged. @mandrenguyen, @ftenchini, @sextonkennedy (and backports should be raised in the release meeting by the corresponding L2)
Notice This PR was tested with additional Pull Request(s), please also merge them if necessary: cms-sw/cmsdist#10103

cmsbuild · 2025-10-31T08:33:02Z

REMINDER @ftenchini, @mandrenguyen, @sextonkennedy: This PR was tested with cms-sw/cmsdist#10103, please check if they should be merged together

mandrenguyen · 2025-10-31T08:49:37Z

+1

Update HeterogeneousCore/AlpakaInterface for alpaka 2.0

7d98d1e

cmsbuild added this to the CMSSW_16_0_X milestone Oct 1, 2025

cmsbuild added pending-signatures tests-pending orp-pending code-checks-pending heterogeneous-pending labels Oct 1, 2025

cmsbuild added code-checks-approved and removed code-checks-pending labels Oct 1, 2025

cmsbuild added tests-started requires-external and removed tests-pending labels Oct 1, 2025

fwyzard mentioned this pull request Oct 1, 2025

Update alpaka to 2.0.0 "Concepts Ahead" cms-sw/cmsdist#10103

Merged

cmsbuild added tests-rejected and removed tests-started labels Oct 3, 2025

cmsbuild added tests-started and removed tests-rejected labels Oct 3, 2025

cmsbuild added tests-approved and removed tests-started labels Oct 4, 2025

fwyzard mentioned this pull request Oct 6, 2025

alpaka: use the HEAD of the develop branch cms-sw/cmsdist#9872

Closed

cmsbuild mentioned this pull request Oct 9, 2025

Moved catch2 tests to the v3 API #49121

Merged

cmsbuild mentioned this pull request Oct 20, 2025

Define RefProdVector for HGCRecHitCollection and PFRecHitCollection #49190

Merged

cmsbuild added fully-signed heterogeneous-approved and removed pending-signatures heterogeneous-pending labels Oct 28, 2025

cmsbuild added orp-approved and removed orp-pending labels Oct 31, 2025

cmsbuild merged commit 65e9377 into cms-sw:master Oct 31, 2025
25 checks passed

fwyzard deleted the alpaka_2.0 branch October 31, 2025 08:50

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PR description:

PR validation:

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cmsbuild commented Oct 3, 2025

Unit Tests

Comparison Summary

AMD_MI300X Comparison Summary

AMD_W7900 Comparison Summary

NVIDIA_H100 Comparison Summary

NVIDIA_L40S Comparison Summary

NVIDIA_T4 Comparison Summary

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fwyzard commented Oct 3, 2025

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cmsbuild commented Oct 4, 2025

Comparison Summary

AMD_MI300X Comparison Summary

AMD_W7900 Comparison Summary

NVIDIA_H100 Comparison Summary

NVIDIA_L40S Comparison Summary

NVIDIA_T4 Comparison Summary

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fwyzard commented Oct 28, 2025

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cmsbuild commented Oct 31, 2025

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fwyzard commented Oct 1, 2025 •

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